cl at linux
Jun 5, 2012, 7:40 AM
Post #26 of 26
(28 views)
Permalink
|
|
Re: [PATCH 3/3] vmevent: Implement special low-memory attribute
[In reply to]
|
|
On Tue, 8 May 2012, KOSAKI Motohiro wrote:
> 4) Currently, vmstat have per-cpu batch and vmstat updating makes 3
> second delay at maximum.
Nope. The delay is one second only and it is limited to a certain amount
per cpu. There is a bound on the inaccuracy of the counter. If you want to
have them more accurate then the right approach is to limit the
threshhold. The more accurate the higher the impact of cache line
bouncing.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo [at] vger
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
|
